Maretha sits next to 4 phonetic neighbors — Martha, Maretta, and Maretta are the closest matches by sound. Most share Maretha's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"lady, mistress of the house"
"God is gracious; feminine variant of John"
"life, vitality"
"victorious; conquering"
"from the sea, sea fortress"
"from the alder grove"
"strong wolf, mighty hound"
"star"
"of the Verginius family"
"merry, festive, cheerful"
Similar sound: These names share phonetic patterns with Maretha — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Aramaic origins, giving them the same cultural heritage as Maretha.
Rhythm: Maretha is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.